Drag radials rear with bias sportsman fronts?
#3016432
02/18/22 01:35 AM
02/18/22 01:35 AM
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Joined: Jan 2003
Posts: 10,766 Central Valley, CA.
Quicksilver440
OP
I Live Here
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OP
I Live Here
Joined: Jan 2003
Posts: 10,766
Central Valley, CA.
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I have Bias MT sportsman front runners and worn out MT ET Street bias rears…want to try drag radials but can I keep bias ply fronts? This is for racing….I actually ran radial rear street tires on the street and haven’t had a problem…but I’m not going 120 either…lol.
I can’t really find many radial front skinny’s…
Last edited by Quicksilver440; 02/18/22 01:37 AM.
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Re: Drag radials rear with bias sportsman fronts?
[Re: Quicksilver440]
#3016435
02/18/22 02:36 AM
02/18/22 02:36 AM
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Joined: Aug 2003
Posts: 43,126 Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,126
Bend,OR USA
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I ran them on my old pump gas Duster both ways, bias on front with radial rears and then radial on front with bias rears with no issues going 134. + MPH in the 1/4 mile I ran 165sr15 (VW tires) on the front with M/T 10.5x31x15 on the rear and Moroso 6.00 15 front drag tires with 315x60x15 M/T ET Street Radials on the rear more than once: up:
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: Drag radials rear with bias sportsman fronts?
[Re: Jamie340]
#3016446
02/18/22 08:23 AM
02/18/22 08:23 AM
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Joined: Jan 2003
Posts: 2,915 A shed in England
Tig
master
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master
Joined: Jan 2003
Posts: 2,915
A shed in England
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Never an Issue here either
'74 Challenger..9.46 @ 145.9 1/4, 6.001 @ 118 1/8 so far. 4023lb !!! # N/A, Marsh performance 655ci, Indy Maxx, T/R, Indy 600-13 X's, Street legal, pump gas, full interior, Cal-Tracs, mufflers, 3:73's and real 10.5 radials. 9.51 @ 142.4 1/4, 6.003 @ 114 1/8 with our old mule KB, 572-13, 580 wedge. RHD '68 Barracuda Fastback 323ci street/strip. Best ET 13.88 @ 99.03
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Re: Drag radials rear with bias sportsman fronts?
[Re: mopar873]
#3016510
02/18/22 12:28 PM
02/18/22 12:28 PM
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Joined: Dec 2005
Posts: 11,530 Fulton County, PA
CMcAllister
Mr. Helpful
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Mr. Helpful
Joined: Dec 2005
Posts: 11,530
Fulton County, PA
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Most Stockers and Super Stockers are running radials. I don't know any who are using radials on the front. I wouldn't know where to even buy a radial front runner drag tire.
If the results don't match the theory, change the theory.
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Re: Drag radials rear with bias sportsman fronts?
[Re: Quicksilver440]
#3016710
02/19/22 09:23 AM
02/19/22 09:23 AM
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Joined: Jan 2003
Posts: 2,915 A shed in England
Tig
master
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master
Joined: Jan 2003
Posts: 2,915
A shed in England
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Thanks everyone…just ordered some drag radials! Let us know how you get on with them, we picked up 2 10ths switching to radials but the car used to pound bias ply's. Thanks.
'74 Challenger..9.46 @ 145.9 1/4, 6.001 @ 118 1/8 so far. 4023lb !!! # N/A, Marsh performance 655ci, Indy Maxx, T/R, Indy 600-13 X's, Street legal, pump gas, full interior, Cal-Tracs, mufflers, 3:73's and real 10.5 radials. 9.51 @ 142.4 1/4, 6.003 @ 114 1/8 with our old mule KB, 572-13, 580 wedge. RHD '68 Barracuda Fastback 323ci street/strip. Best ET 13.88 @ 99.03
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Re: Drag radials rear with bias sportsman fronts?
[Re: Tig]
#3016776
02/19/22 01:41 PM
02/19/22 01:41 PM
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Joined: Sep 2003
Posts: 19,355 north of coder
moparx
"Butt Crack Bob"
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"Butt Crack Bob"
Joined: Sep 2003
Posts: 19,355
north of coder
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as long as both tires are the same on each axle, you should have no problems. bias [especially skinny ones] will tend to "hunt around" a bit on "rain grooved" roads, but dialing in as much positive caster as possible, and toeing in an extra 1/16" will keep that to a bare minimum. over the years, i have ran just about every combination of tires you can imagine, and on all types of cars, and have never had a problem running radials and bias tires together. as to the speed rating on tires, it is xx[x] mph for yz amount of time. so even if the tire is rated for 95mph, the few seconds it spends at 125 will not be a problem. my opinion only ! your mileage will vary.
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Re: Drag radials rear with bias sportsman fronts?
[Re: moparx]
#3016791
02/19/22 02:32 PM
02/19/22 02:32 PM
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Joined: Jul 2006
Posts: 4,319 Puyallup, WA
StealthWedge67
master
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master
Joined: Jul 2006
Posts: 4,319
Puyallup, WA
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I had always heard this was an issue, but I’ve been running Pro Bracket Radials with ET Fronts for a couple years now. No issue.
LemonWedge - Street heavy / Strip ready - 11.07 @ 120
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